Houston, Texas prices:$18 in 1915→$433.63 in 2020

Inflation in Texas

Prices in Houston, 1915-2020 ($18)

According to the U.S. Bureau of Labor Statistics, prices in Houston, Texas were
2,309.07% higher
in 2020 versus 1915 (a $415.63 difference in value).

Between 1915 and 2020:Houston experienced an average inflation rate of 3.08% per year.
This rate of change indicates significant inflation.
In other words, $18 in Houston in the year 1915 would cost $433.63 in 2020 for an equivalent purchase.
Compared to the overall inflation rate of 3.13% during this same period, inflation in Houston was
lower.

In the year 1915: Pricing changed by 0%, which is
significantly below the average yearly
change in Houston during the 1915-2020 time period.
Compared to inflation for all items in 1915 (0.92%), inflation in Houston was
lower.

Price Inflation in Houston, Texas since 1914

Consumer Price Index, U.S. Bureau of Labor Statistics

Years with the largest changes in pricing:
1919 (21.91%),
1918 (21.04%),
and 1947 (17.55%).

How to calculate the inflation rate for Houston, 1915-2020

Then plug in historical CPI values from above. The CPI for Houston, Texas was 9.500 in the year 1915 and 228.862 in 2020:

228.862 / 9.500* $18 = $433.63

Therefore, according to U.S. Bureau of Labor Statistics, $18 in 1915 has the same "purchasing power" as $433.63 in 2020 (in the CPI category of Houston, Texas).

Source: U.S. Bureau of Labor Statistics began tracking the Consumer Price Index for Houston, Texas in 1914. In addition to Houston, the index produces monthly data on changes in prices paid by urban consumers for a variety of goods and services.